Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/18/2011
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 11/18/2011 17:32:27 68.55, -84.56 87.71 11/18/2011 17:33:38 68.55, -84.61 87.71 2.07 71
2 11/18/2011 18:23:08 -68.41, 82.95 92.43 11/18/2011 18:23:08 -68.43, 82.88 92.41 3.35 0
3 11/18/2011 19:13:50 68.18,-109.46 87.36 11/18/2011 19:12:37 68.21,-109.73 87.38 11.80 73
4 11/21/2011 09:49:19 68.49, 31.29 88.27 11/21/2011 09:50:03 68.51, 31.25 88.28 2.30 44
5 11/21/2011 10:40:01 -68.40,-161.27 91.82 11/21/2011 10:39:33 -68.39,-161.26 91.84 1.51 28
6 11/24/2011 01:15:41 -69.29, -21.34 90.38 11/24/2011 01:16:49 -69.20, -19.62 90.45 68.62 68
7 11/24/2011 02:06:12 68.49, 147.07 88.83 11/24/2011 02:06:27 68.48, 147.12 88.82 2.36 15
8 11/24/2011 02:56:53 -68.34, -45.43 91.31 11/24/2011 02:55:57 -68.36, -45.38 91.29 3.11 56
9 11/26/2011 17:32:20 -68.54, 95.46 90.60 11/26/2011 17:33:24 -68.53, 95.44 90.62 1.96 64
10 11/26/2011 18:23:04 68.43, -97.09 89.30 11/26/2011 18:22:51 68.41, -97.06 89.28 2.43 13
11 11/26/2011 19:13:38 -67.91, 70.89 91.22 11/26/2011 19:12:27 -67.96, 70.05 91.18 35.79 71
12 11/29/2011 09:49:11 -68.48,-148.70 90.18 11/29/2011 09:49:46 -68.47,-148.71 90.19 1.31 35
13 11/29/2011 10:39:55 68.37, 18.76 89.72 11/29/2011 10:39:13 68.35, 18.79 89.70 2.21 42
14 12/02/2011 01:15:25 68.73, 159.42 90.50 12/02/2011 01:16:36 68.65, 159.79 90.42 17.30 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/18/2011
SNOs_Map_NPP_TERRA_20111118.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/18/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service